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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $26,478,086 | $29,810,173 | $32,745,409 | $51,640,807 | $19,753,028 | $26,918,430 | $38,020,536 |
| Carbon electrodes, other than of a kind used for furnaces | $1,165,756 | $2,088,806 | $1,299,651 | $1,274,616 | $1,152,759 | $10,022,988 | $23,035,642 |
| Carbon brushes | $7,153,929 | $5,490,614 | $8,840,835 | $9,539,669 | $6,975,001 | $7,082,488 | $7,914,308 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $1,440,395 | $9,440,569 | $16,806,244 | $22,101,411 | $12,823,852 | $25,395,395 | $20,120,685 |
| Total | $36,238,166 | $46,830,162 | $59,692,139 | $84,556,503 | $40,704,640 | $69,419,301 | $89,091,171 |
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